CA2270098A1 - Measuring device for measuring the flow rate and temperature of a flowable medium - Google Patents
Measuring device for measuring the flow rate and temperature of a flowable medium Download PDFInfo
- Publication number
- CA2270098A1 CA2270098A1 CA002270098A CA2270098A CA2270098A1 CA 2270098 A1 CA2270098 A1 CA 2270098A1 CA 002270098 A CA002270098 A CA 002270098A CA 2270098 A CA2270098 A CA 2270098A CA 2270098 A1 CA2270098 A1 CA 2270098A1
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- measuring device
- pipe
- internal pipe
- medium
- internal
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K17/00—Measuring quantity of heat
- G01K17/06—Measuring quantity of heat conveyed by flowing media, e.g. in heating systems e.g. the quantity of heat in a transporting medium, delivered to or consumed in an expenditure device
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F1/00—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
- G01F1/05—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using mechanical effects
- G01F1/20—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using mechanical effects by detection of dynamic effects of the flow
- G01F1/22—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using mechanical effects by detection of dynamic effects of the flow by variable-area meters, e.g. rotameters
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F1/00—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
- G01F1/05—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using mechanical effects
- G01F1/20—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using mechanical effects by detection of dynamic effects of the flow
- G01F1/28—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using mechanical effects by detection of dynamic effects of the flow by drag-force, e.g. vane type or impact flowmeter
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K1/00—Details of thermometers not specially adapted for particular types of thermometer
- G01K1/14—Supports; Fastening devices; Arrangements for mounting thermometers in particular locations
- G01K1/146—Supports; Fastening devices; Arrangements for mounting thermometers in particular locations arrangements for moving thermometers to or from a measuring position
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- Measuring Volume Flow (AREA)
- Details Of Flowmeters (AREA)
Abstract
The present invention relates to a measuring device for measuring flux rate and temperature of a flowable medium, comprising an external pipe sleeve (34) and an internal pipe (36) provided within said external pipe sleeve, with the diameter of said internal pipe (36) having been dimensioned such that a cavity (52) is formed between said internal pipe (36) and said external pipe sleeve (34), wherein medium is allowed to flow into said internal pipe (36) via an aperture formed at a first end of said internal pipe (36), and an aperture is provided at the second end of said internal pipe (36) via which the medium can flow out of the internal pipe (36) and exit the measuring device via said cavity (52). A flux meter (26) and a temperature meter (28) are provided within or along this flow path formed in the measuring device.
Description
Measuring device for measuring the flow rate and temperature of a flowable medium The present invention relates to a measuring device for measuring the flow rate and the temperature of a flowable me-dium, as well as to means for providing one or plural branch pipings in a pipe containing such medium and including such a measuring device.
Disclosed in German utility model serial no. G 85 08 222 is a flowmeter for adjusting a heat flow which allows the measure-ment of flow rate and temperature of the flowable medium flowing therethrough. For measuring the temperature and the flow rate of a predetermined pipeline, said pipeline is cut open and this flowmeter is installed in the course of the pipeline. With hea-ting circuit distributors, the problem often arises that what is to be measured is the temperature and the flow rate of the me-dium in a return branch, with such measurement often being con-ducted at a central site for several parallel heating circuits.
In this case, plural branch pipings terminate in a main pipe, with a flowmeter of the aforementioned kind being installed in the course of the respective branch pipings shortly before the confluence in order to allow a central reading of flow rate and temperature of plural branches at this one central site. What is diadvantageous about this prior art flowmeter is that for each branch, a flowmeter has to be provided in the branch and a reflux connection has to be provided in the main pipeline. This is labor-intensive on the one hand, and on the other hand unde-sired in view of the little space usually available.
It is therefore the object of the present invention to pro-vide a measuring device for measuring the flow rate and the tem-perature of a flowable medium which overcomes these disadvanta-ges.
This object is accomplished by a measuring device for mea-surfing the flow rate and temperature of a flowable medium with an external pipe sleeve and an internal pipe contained within said external pipe sleeve, the diameter of said internal pipe having been selected such that a cavity forms between said in-ternal pipe and said external pipe sleeve, with medium being al-lowed to flow into said internal pipe via an aperture provided at a first end of said internal pipe and an aperture being pro-vided at the second end of the internal pipe via which said me-dium can exit said internal pipe and leave the measuring device via the cavity, with a flowmeter and a temperature meter being mounted in or along this flow path formed in the measuring de-vice for the flowable medium.
Such a measuring device allows the measurement of flow rate and temperature when the internal pipe is connected to a branch, at the same time making it possible to return the medium made to flow through the measuring device into the main pipe. The mea-suring device of the present invention has the advantage that only two apertures need to be provided in a main pipe, the one aperture serving for introducing flowable medium from a branch into the measuring device, with the other aperture housing the measuring device through which the flowable medium from the branch flows and which returns said medium into the main pipe.
As a consequence, with only a minimum space requirement, plural branches may be provided one next to the other at a main pipe, with the respective inventive measuring device indicating the temperature and the flow rate of the flowable medium returned into the main pipe from the branch.
Likewise, it is certainly possible to use the measuring de-vice of the invention not as a reflux meter but for measuring the temperature and flow rate of a branch in which medium from the main pipe flows into the branch. Usually, however, what interests are the different flow rates and temperatures of the returned medium streams flowing in the branches since they dif-fer from each other.
~
Disclosed in German utility model serial no. G 85 08 222 is a flowmeter for adjusting a heat flow which allows the measure-ment of flow rate and temperature of the flowable medium flowing therethrough. For measuring the temperature and the flow rate of a predetermined pipeline, said pipeline is cut open and this flowmeter is installed in the course of the pipeline. With hea-ting circuit distributors, the problem often arises that what is to be measured is the temperature and the flow rate of the me-dium in a return branch, with such measurement often being con-ducted at a central site for several parallel heating circuits.
In this case, plural branch pipings terminate in a main pipe, with a flowmeter of the aforementioned kind being installed in the course of the respective branch pipings shortly before the confluence in order to allow a central reading of flow rate and temperature of plural branches at this one central site. What is diadvantageous about this prior art flowmeter is that for each branch, a flowmeter has to be provided in the branch and a reflux connection has to be provided in the main pipeline. This is labor-intensive on the one hand, and on the other hand unde-sired in view of the little space usually available.
It is therefore the object of the present invention to pro-vide a measuring device for measuring the flow rate and the tem-perature of a flowable medium which overcomes these disadvanta-ges.
This object is accomplished by a measuring device for mea-surfing the flow rate and temperature of a flowable medium with an external pipe sleeve and an internal pipe contained within said external pipe sleeve, the diameter of said internal pipe having been selected such that a cavity forms between said in-ternal pipe and said external pipe sleeve, with medium being al-lowed to flow into said internal pipe via an aperture provided at a first end of said internal pipe and an aperture being pro-vided at the second end of the internal pipe via which said me-dium can exit said internal pipe and leave the measuring device via the cavity, with a flowmeter and a temperature meter being mounted in or along this flow path formed in the measuring de-vice for the flowable medium.
Such a measuring device allows the measurement of flow rate and temperature when the internal pipe is connected to a branch, at the same time making it possible to return the medium made to flow through the measuring device into the main pipe. The mea-suring device of the present invention has the advantage that only two apertures need to be provided in a main pipe, the one aperture serving for introducing flowable medium from a branch into the measuring device, with the other aperture housing the measuring device through which the flowable medium from the branch flows and which returns said medium into the main pipe.
As a consequence, with only a minimum space requirement, plural branches may be provided one next to the other at a main pipe, with the respective inventive measuring device indicating the temperature and the flow rate of the flowable medium returned into the main pipe from the branch.
Likewise, it is certainly possible to use the measuring de-vice of the invention not as a reflux meter but for measuring the temperature and flow rate of a branch in which medium from the main pipe flows into the branch. Usually, however, what interests are the different flow rates and temperatures of the returned medium streams flowing in the branches since they dif-fer from each other.
~
It is another object of the present invention to provide means for forming one or plural branches in a medium-containing pipe including a measuring device according to the present in-vention.
This object is accomplished according to the invention by a two-part unit mountable on said pipe comprising a lower part and an upper part, with two opposing apertures being formed in the pipe for each branch transversely to the pipe axis, said lo-wer part including a through passage sealingly fitting on the lower aperture for the flowable medium, and said upper part in-cluding an insert fitting into the upper aperture, both parts being capable of being firmly connected to the pipe, with the measuring device of the invention being provided in the upper part.
A particularly advantageous embodiment of the measuring de-vice has the flowmeter provided within the internal pipe and the temperature meter within the cavity. The flowmeter preferably comprises a floating body movably mounted within said internal tube. Said floating body may contact a pressure spring exerting a spring power against the direction of flow of said medium.
In an advantageous manner, for indicating the flux rate measured, said floating body is connected to a pointer of an in-dicating device. Alternatively, the flux rate, in particular if part of the internal pipe and the external pipe sleeve is trans-parent, may be indicated by the floating body itself.
The temperature meter includes a thermometer, in particular comprising a thermometer tube and corresponding supporting and fixing means for mounting said thermometer in the cavity. In connection with said thermometer, said indicating device may in-clude a memory pointer for marking the temperature value deter-mined by the temperature meter.
In a particularly preferred embodiment, adjusting means mo-r vable relative to the internal pipe, preferably a spindle, is provided, with the position of the adjustment means relative to the internal pipe serving to adjust the flux rate through the measuring device. This measure will make it possible to simul-taneously adjust the flux rate of the branch piping, besides the measurement of temperature and flux rate as well as the possibi-lity of using this device in a simple manner for providing a branching.
The adjustment means may be connected to a turning handle, which - when actuated - will allow a variation of the position of the adjustment means relative to the internal pipe and thus of the flux rate through the branch piping.
In order to facilitate mounting it on a branch piping, the internal pipe protrudes somewhat from the external pipe sleeve.
In a particularly preferred embodiment of the device for forming one or plural branchings of a medium-containing pipe with a measuring device of the present invention, the lower part and the upper part are interconnected by means of a hinged joint. As an alternative thereto, or in combination with this embodiment, the lower part may be sealingly joined with the first end of the internal pipe. The connection to the branch piping is obtained in each case by the connection to the inter-nal pipe, while the external pipe sleeve serves to return the flowable medium into the main pipeline via the cavity.
Further advantageous embodiments of the invention are de-fined in the subclaims.
In the following, embodiments are described in more detail with reference to the drawings, in which:
Figure 1 shows a schematical sectional view of a measuring device according to the invention;
r Figure 2 shows a schematical sectional view of a first embo-diment of a device using the measuring device accor-ding to the invention for forming a branch piping in a medium-containing pipeline; and Figure 3 shows a schematical sectional view of a second embo-diment of a device using the measuring device accor-ding to the invention for forming a branch piping in a medium-containing pipe.
Figure 1 shows a measuring device 12 according to the in-vention with a fluxmeter 26 for measuring the flux rate and a temperature meter 28 for measuring the temperature of a flowable medium. Said measuring device 12 comprises an external pipe sleeve 34 and an internal pipe 36 accommodated within said pipe sleeve 34. The diameter of said internal pipe 36 has been se-lected such that a cavity 52 is formed between the external sur-face of the internal pipe 36 and the internal surface of said pipe sleeve 34, through which said flowable medium entering said measuring device 12 via the first end 37 will flow before exi-ting said measuring device 12 again at 39. The bottom side of said internal pipe 36 exhibits a seal or gasket 38 whose func-tion is described with reference to Figures 2 and 3. The flux-meter 26 is mounted within said internal pipe 36 and the tem-perature meter is mounted within said cavity 52. To be more precise, the fluxmeter 26 includes a floating body 40 movably mounted within said internal pipe 36 which is contacted by a pressure spring 42, said pressure spring 42 contacting a spring stop 44 within said internal pipe 36 at the end opposing said floating body 40. In this arrangement, said pressure spring 42 exerts a spring power which is against the flow direction of the medium, cf. the arrows within the internal pipe 36. If the in-ternal pipe 36 and parts of the external pipe sleeve 34 are of transparent design, the position of the floating body 40 itself may be the indication for the current flux rate.
The temperature meter 28 comprises a thermometer 78 with a r thermometer tube 54 and corresponding support and fixing means 58 for mounting said thermometer 78 within said cavity 52. If the external pipe sleeve 34 is of transparent design, the ther-mometer may easily be read from outside the measuring device 12.
On the upper side of the measuring device 12, a turning handle 62 is provided which is connected to an adjustment spin-dle 60 protruding into said internal pipe 36. Figure 1 shows the adjustment spindle 60 in a position in which it seals off the internal pipe 36, cooperating for this purpose with sealing ring 70. In this position, no medium introduced via the first side 37 of the internal pipe 36 may pass the measuring device 12, i.e. no medium will exit from aperture 39. If the turning handle 62 is turned, the spindle 60 will move upward together with the turning handle, resulting in the sealing ring 70 losing contact to the internal surface of the internal pipe 36, the be-velled part 71 of the spindle 60 reaching into the area of the upper aperture of the internal pipe 36, thus enabling medium en-tering via the first side 37 of said internal pipe 36 to flow between the bevelled portion 71 of the spindle 60 and the inte-rior side of the internal pipe 36 and to the cavity 52 of the measuring device 12. In this case, medium will exit from the aperture 39 of the measuring device 12. Provided above said turning handle 62 is a safety cap 66 partially overlapping said turning handle 62 which is to prevent accidental damage to the turning handle 62. The cavity 52 may contain plural spacers 50 for safeguarding the distance between the surface of the inter-nal pipe 36 and the interior surface of the pipe sleeve 34. A
bearing edge 46 serves to prevent the floating body 40 from ac-cidentally falling out of said measuring device 12 in transport of said measuring device 12. Sealing rings 68 serve to seal off the through passage for the medium formed in the measuring de-vice 12 at the area of the adjustment spindle 60 and the turning handle 62.
Figure 2 shows a device for forming one or plural branch pipings in a medium-containing distributing pipe 10 having an upper part 24 as well as a lower part 22. In Figure 2, referen-ce numerals identical to those of Figure 1 refer to identical components for which reason they are not described again here.
The upper part 24 comprises a measuring device 12 according to the invention, while the lower part 22 is formed by a pipe joint. Said pipe joint 22 includes a through passage 30 for a branch piping. For assembling this combination, the measuring device 12 is first of all mounted in an aperture 16 of the dis-tributing pipe 10 provided for this purpose, for example by screwing, subsequently the pipe joint is mounted at the opposing side of the distributing pipe 10, in an aperture 18 provided there, where it is preferably also attached by means of screws.
In cooperation with the seal 38, a sealing connection of the in-ternal pipe 36 of the measuring device 12 and the interior side 23 of the pipe joint is obtained in this case. The pipe joint 22 serves for the connection of a branch piping. In operation, medium flowing into the measuring device 12 from the branch pi-ping via said pipe joint 22 will first of all pass the distribu-ting pipe 10 sealed tight inside said internal pipe 36, and, de-pending on the position of the adjustment spindle 60, more or less made to flow into the interior of the distributing pipe 10 via the cavity 52. A seal or gasket 75 ensures a tight connec-tion between the pipe joint 22 and the distributing pipe 10.
Similarly, a seal or gasket 72 is provided for sealing the upper part 24 from the distributing pipe 10.
Figure 3 shows a further embodiment of a device for provi-ding one or plural branch pipings in a medium-containing pipe using a measuring device according to the invention. In Figure 3, same reference numerals refer to same components as those in Figures 1 and 2, and thus are not explained again here. The em-bodiment shown in Figure 3 has the upper part 24 and the lower part 22 interconnected via a hinged joint 80 in such a manner that they form a unit 20 which may be swung open. At the end of the unit 20 opposite said hinged joint 80, attachment means 14 are provided for detachably connecting said upper and lower parts 22, 24. This embodiment ensures a tight passage from the through passage 30 of the lower part 22 to the internal pipe 36 by the cooperation of a sealing ring 76 with a shoulder 41 of the internal pipe 36. For providing a branch piping, merely two apertures 16, 18 need to be provided in a medium-containing pipe, one of which will first of all receive the measuring de-vice 12 connected to the upper part 24 and then the lower part 22 will be connected to the upper part.
Figure 3 furthermore shows an alternative embodiment for the indication of flux rate and temperature of the flowable me-dium contained in the measuring device 12. This embodiment may also be used with the embodiments of the measuring device 12 as shown in Figures 1 and 2. In this case, the floating body 40 is connected to a pointer 48 of an indication device 32, thus indi-cating the current flux rate in this way. The indication device 32 includes a memory pointer 56 for marking the temperature value as determined by the temperature meter 28. Seals 72 and 74 serve to seal off said upper part 24.
The measuring device 12 as well as the device for providing branch pipings using a measuring device 12 is usually made of metal or a metal alloy. However, it is also possible to use all other kinds of suitable materials such as plastic, glass or the like for producing the individual elements. As already set out above, especially the internal pipe 36 and the external pipe sleeve 34 may be made partially or entirely from transparent ma-terial, for example from plexiglass.
This object is accomplished according to the invention by a two-part unit mountable on said pipe comprising a lower part and an upper part, with two opposing apertures being formed in the pipe for each branch transversely to the pipe axis, said lo-wer part including a through passage sealingly fitting on the lower aperture for the flowable medium, and said upper part in-cluding an insert fitting into the upper aperture, both parts being capable of being firmly connected to the pipe, with the measuring device of the invention being provided in the upper part.
A particularly advantageous embodiment of the measuring de-vice has the flowmeter provided within the internal pipe and the temperature meter within the cavity. The flowmeter preferably comprises a floating body movably mounted within said internal tube. Said floating body may contact a pressure spring exerting a spring power against the direction of flow of said medium.
In an advantageous manner, for indicating the flux rate measured, said floating body is connected to a pointer of an in-dicating device. Alternatively, the flux rate, in particular if part of the internal pipe and the external pipe sleeve is trans-parent, may be indicated by the floating body itself.
The temperature meter includes a thermometer, in particular comprising a thermometer tube and corresponding supporting and fixing means for mounting said thermometer in the cavity. In connection with said thermometer, said indicating device may in-clude a memory pointer for marking the temperature value deter-mined by the temperature meter.
In a particularly preferred embodiment, adjusting means mo-r vable relative to the internal pipe, preferably a spindle, is provided, with the position of the adjustment means relative to the internal pipe serving to adjust the flux rate through the measuring device. This measure will make it possible to simul-taneously adjust the flux rate of the branch piping, besides the measurement of temperature and flux rate as well as the possibi-lity of using this device in a simple manner for providing a branching.
The adjustment means may be connected to a turning handle, which - when actuated - will allow a variation of the position of the adjustment means relative to the internal pipe and thus of the flux rate through the branch piping.
In order to facilitate mounting it on a branch piping, the internal pipe protrudes somewhat from the external pipe sleeve.
In a particularly preferred embodiment of the device for forming one or plural branchings of a medium-containing pipe with a measuring device of the present invention, the lower part and the upper part are interconnected by means of a hinged joint. As an alternative thereto, or in combination with this embodiment, the lower part may be sealingly joined with the first end of the internal pipe. The connection to the branch piping is obtained in each case by the connection to the inter-nal pipe, while the external pipe sleeve serves to return the flowable medium into the main pipeline via the cavity.
Further advantageous embodiments of the invention are de-fined in the subclaims.
In the following, embodiments are described in more detail with reference to the drawings, in which:
Figure 1 shows a schematical sectional view of a measuring device according to the invention;
r Figure 2 shows a schematical sectional view of a first embo-diment of a device using the measuring device accor-ding to the invention for forming a branch piping in a medium-containing pipeline; and Figure 3 shows a schematical sectional view of a second embo-diment of a device using the measuring device accor-ding to the invention for forming a branch piping in a medium-containing pipe.
Figure 1 shows a measuring device 12 according to the in-vention with a fluxmeter 26 for measuring the flux rate and a temperature meter 28 for measuring the temperature of a flowable medium. Said measuring device 12 comprises an external pipe sleeve 34 and an internal pipe 36 accommodated within said pipe sleeve 34. The diameter of said internal pipe 36 has been se-lected such that a cavity 52 is formed between the external sur-face of the internal pipe 36 and the internal surface of said pipe sleeve 34, through which said flowable medium entering said measuring device 12 via the first end 37 will flow before exi-ting said measuring device 12 again at 39. The bottom side of said internal pipe 36 exhibits a seal or gasket 38 whose func-tion is described with reference to Figures 2 and 3. The flux-meter 26 is mounted within said internal pipe 36 and the tem-perature meter is mounted within said cavity 52. To be more precise, the fluxmeter 26 includes a floating body 40 movably mounted within said internal pipe 36 which is contacted by a pressure spring 42, said pressure spring 42 contacting a spring stop 44 within said internal pipe 36 at the end opposing said floating body 40. In this arrangement, said pressure spring 42 exerts a spring power which is against the flow direction of the medium, cf. the arrows within the internal pipe 36. If the in-ternal pipe 36 and parts of the external pipe sleeve 34 are of transparent design, the position of the floating body 40 itself may be the indication for the current flux rate.
The temperature meter 28 comprises a thermometer 78 with a r thermometer tube 54 and corresponding support and fixing means 58 for mounting said thermometer 78 within said cavity 52. If the external pipe sleeve 34 is of transparent design, the ther-mometer may easily be read from outside the measuring device 12.
On the upper side of the measuring device 12, a turning handle 62 is provided which is connected to an adjustment spin-dle 60 protruding into said internal pipe 36. Figure 1 shows the adjustment spindle 60 in a position in which it seals off the internal pipe 36, cooperating for this purpose with sealing ring 70. In this position, no medium introduced via the first side 37 of the internal pipe 36 may pass the measuring device 12, i.e. no medium will exit from aperture 39. If the turning handle 62 is turned, the spindle 60 will move upward together with the turning handle, resulting in the sealing ring 70 losing contact to the internal surface of the internal pipe 36, the be-velled part 71 of the spindle 60 reaching into the area of the upper aperture of the internal pipe 36, thus enabling medium en-tering via the first side 37 of said internal pipe 36 to flow between the bevelled portion 71 of the spindle 60 and the inte-rior side of the internal pipe 36 and to the cavity 52 of the measuring device 12. In this case, medium will exit from the aperture 39 of the measuring device 12. Provided above said turning handle 62 is a safety cap 66 partially overlapping said turning handle 62 which is to prevent accidental damage to the turning handle 62. The cavity 52 may contain plural spacers 50 for safeguarding the distance between the surface of the inter-nal pipe 36 and the interior surface of the pipe sleeve 34. A
bearing edge 46 serves to prevent the floating body 40 from ac-cidentally falling out of said measuring device 12 in transport of said measuring device 12. Sealing rings 68 serve to seal off the through passage for the medium formed in the measuring de-vice 12 at the area of the adjustment spindle 60 and the turning handle 62.
Figure 2 shows a device for forming one or plural branch pipings in a medium-containing distributing pipe 10 having an upper part 24 as well as a lower part 22. In Figure 2, referen-ce numerals identical to those of Figure 1 refer to identical components for which reason they are not described again here.
The upper part 24 comprises a measuring device 12 according to the invention, while the lower part 22 is formed by a pipe joint. Said pipe joint 22 includes a through passage 30 for a branch piping. For assembling this combination, the measuring device 12 is first of all mounted in an aperture 16 of the dis-tributing pipe 10 provided for this purpose, for example by screwing, subsequently the pipe joint is mounted at the opposing side of the distributing pipe 10, in an aperture 18 provided there, where it is preferably also attached by means of screws.
In cooperation with the seal 38, a sealing connection of the in-ternal pipe 36 of the measuring device 12 and the interior side 23 of the pipe joint is obtained in this case. The pipe joint 22 serves for the connection of a branch piping. In operation, medium flowing into the measuring device 12 from the branch pi-ping via said pipe joint 22 will first of all pass the distribu-ting pipe 10 sealed tight inside said internal pipe 36, and, de-pending on the position of the adjustment spindle 60, more or less made to flow into the interior of the distributing pipe 10 via the cavity 52. A seal or gasket 75 ensures a tight connec-tion between the pipe joint 22 and the distributing pipe 10.
Similarly, a seal or gasket 72 is provided for sealing the upper part 24 from the distributing pipe 10.
Figure 3 shows a further embodiment of a device for provi-ding one or plural branch pipings in a medium-containing pipe using a measuring device according to the invention. In Figure 3, same reference numerals refer to same components as those in Figures 1 and 2, and thus are not explained again here. The em-bodiment shown in Figure 3 has the upper part 24 and the lower part 22 interconnected via a hinged joint 80 in such a manner that they form a unit 20 which may be swung open. At the end of the unit 20 opposite said hinged joint 80, attachment means 14 are provided for detachably connecting said upper and lower parts 22, 24. This embodiment ensures a tight passage from the through passage 30 of the lower part 22 to the internal pipe 36 by the cooperation of a sealing ring 76 with a shoulder 41 of the internal pipe 36. For providing a branch piping, merely two apertures 16, 18 need to be provided in a medium-containing pipe, one of which will first of all receive the measuring de-vice 12 connected to the upper part 24 and then the lower part 22 will be connected to the upper part.
Figure 3 furthermore shows an alternative embodiment for the indication of flux rate and temperature of the flowable me-dium contained in the measuring device 12. This embodiment may also be used with the embodiments of the measuring device 12 as shown in Figures 1 and 2. In this case, the floating body 40 is connected to a pointer 48 of an indication device 32, thus indi-cating the current flux rate in this way. The indication device 32 includes a memory pointer 56 for marking the temperature value as determined by the temperature meter 28. Seals 72 and 74 serve to seal off said upper part 24.
The measuring device 12 as well as the device for providing branch pipings using a measuring device 12 is usually made of metal or a metal alloy. However, it is also possible to use all other kinds of suitable materials such as plastic, glass or the like for producing the individual elements. As already set out above, especially the internal pipe 36 and the external pipe sleeve 34 may be made partially or entirely from transparent ma-terial, for example from plexiglass.
Claims (14)
1. A measuring device for measuring the flux rate and temperature of a flowable medium, comprising an external pipe sleeve (34) and an internal pipe (36) provided within said external pipe sleeve (34), with the diameter of said internal pipe (36) having been selected such that a cavity (52) is formed between said internal pipe (36) and said external pipe sleeve (34), wherein medium is allowed to flow into said internal pipe (36) via an aperture formed at a first end of said internal pipe (36), and an aperture is provided at the second end of said internal pipe (36) via which said medium may flow out of said internal pipe (36) and exit the measuring device via said cavity (52), wherein a flowmeter (26) and a temperature meter (28) are mounted within or along this stream path for the flowable medium formed in said measuring device.
2. The measuring device as claimed in claim 1 characterized in that said flowmeter (26) is mounted within said internal pipe (36) and said temperature meter (28) is mounted within said cavity (52).
3. The measuring device as claimed in claim 1 characterized in that said flowmeter (26) comprises a floating body (40) movably mounted within said internal pipe.
4. The measuring device as claimed in claim 3 characterized in that said floating body (40) contacts a pressure spring (42) which exerts a spring power against the direction of flow of said medium.
5. The measuring device as claimed in claim 3 characterized in that said floating body (40) is connected to a pointer (48) of an indicating device (32) for indicating the flux rate measured, or indicates the flux rate by itself, in particular if the internal pipe (36) and the external pipe sleeve (34) are of at least partially transparent design.
6. The measuring device as claimed claim 1 characterized in that the temperature meter (28) is a thermometer (78), in particular comprising a thermometer tube (54) as well as corresponding support and fixing means (58) for mounting said thermometer (78) within said cavity (52).
7. The measuring device as claimed in claim 6 characterized in that the indicating device (32) includes a memory pointer (56) for marking the temperature value determined by the temperature meter (28).
8. The measuring device as claimed in claim 1 characterized in that it includes an adjustment device (60) movable relative to the internal pipe (36), with the flux rate through the measuring device being adjustable by the position of the adjustment device relative to the internal pipe.
9. The measuring device as claimed in claim 8 characterized in that the adjustment device (60) is connected to a turning handle (62) which, when actuated, allows the position of the adjustment device relative to the internal pipe to be varied.
10. The measuring device as claimed in claim 1 characterized in
11 that the internal pipe (36) protrudes from the external pipe sleeve (34).
11. A device for providing one or plural branch pipings in a medium-containing pipe (10) with a measuring device as claimed in one of the preceding claims, consisting of a two-part unit (20) which can be mounted onto said pipe (10), comprising a lower part (22) and an upper part (24), wherein for each branch piping transversely to the pipe axis two opposing apertures (16, 18) are formed in said pipe (10), and said lower part (22) includes a through passage (30) sealingly fitting onto the lower aperture (18), and said upper part (24) includes an insert fitting into the upper aperture (16), and both parts (22, 24) can be firmly joined to said pipe (10), with the measuring device being provided in said upper part (24).
11. A device for providing one or plural branch pipings in a medium-containing pipe (10) with a measuring device as claimed in one of the preceding claims, consisting of a two-part unit (20) which can be mounted onto said pipe (10), comprising a lower part (22) and an upper part (24), wherein for each branch piping transversely to the pipe axis two opposing apertures (16, 18) are formed in said pipe (10), and said lower part (22) includes a through passage (30) sealingly fitting onto the lower aperture (18), and said upper part (24) includes an insert fitting into the upper aperture (16), and both parts (22, 24) can be firmly joined to said pipe (10), with the measuring device being provided in said upper part (24).
12. The device as claimed in claim 11 characterized in that the lower part (22) and the upper part (24) are interconnected by means of a hinged joint (80).
13. The device as claimed in claim 11 characterized in that the lower part (22) may be sealingly joined with the first end of said internal pipe (36).
14. The device as claimed in claim 11 characterized in that the flowable medium entering the measuring device via the through passage (30) is discharged into the medium-containing pipe (10) via the measuring device, said measuring device thus acting as a reflux meter.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE29905655.4 | 1999-03-26 | ||
| DE29905655U DE29905655U1 (en) | 1999-03-26 | 1999-03-26 | Measuring device for measuring the flow rate and temperature of a flowable medium |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA2270098A1 true CA2270098A1 (en) | 2000-09-26 |
Family
ID=8071497
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA002270098A Abandoned CA2270098A1 (en) | 1999-03-26 | 1999-04-26 | Measuring device for measuring the flow rate and temperature of a flowable medium |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US6308582B1 (en) |
| CA (1) | CA2270098A1 (en) |
| DE (1) | DE29905655U1 (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10051869A1 (en) | 2000-10-19 | 2002-04-25 | Wieder Gmbh | Flow meter for liquid coolant has helical spring extension into inlet tube diverting fluid |
| US7013914B2 (en) | 2001-07-13 | 2006-03-21 | Reich Kg-Regel-Und Sicherheitstechnik | Throttle valve |
| DE20111656U1 (en) | 2001-07-13 | 2002-11-21 | Reich KG, Regel- und Sicherheitstechnik, 35713 Eschenburg | Valve device and distributor device |
| JP2003212250A (en) * | 2002-01-22 | 2003-07-30 | Toyoda Gosei Co Ltd | Cap device |
| US6883388B2 (en) * | 2003-05-13 | 2005-04-26 | World Wide Plastics, Inc. | Self-cleaning flow meter having adjacent inlet and outlet fluid flow passageways |
| DE20311813U1 (en) * | 2003-07-31 | 2004-12-09 | Watts Industries Deutschland Gmbh | Valve for measuring and adjusting the flow rate of a hydraulic medium through a pipeline |
| US8167484B2 (en) * | 2009-04-29 | 2012-05-01 | Solex High-Tech Co., Ltd. | Temperature indication pipe joint |
Family Cites Families (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2858697A (en) * | 1958-11-04 | entwistle | ||
| US2457297A (en) * | 1944-11-10 | 1948-12-28 | Sheffield Corp | Fluid meter |
| US2805573A (en) * | 1953-04-01 | 1957-09-10 | Sheffield Corp | Gaging float for indicating rate of flow |
| US3931737A (en) * | 1974-07-12 | 1976-01-13 | Pennwalt Corporation | Pulsating liquid flow transmitter |
| US4424716A (en) * | 1981-06-15 | 1984-01-10 | Mcdonnell Douglas Corp. | Hydraulic flowmeter |
| DE8226199U1 (en) * | 1982-09-17 | 1982-12-16 | Kobold, Klaus, 6233 Kelkheim | DEVICE FOR FLOW MEASURING LIQUIDS AND GAS FLOWS |
| DE3508570A1 (en) | 1984-03-15 | 1985-09-19 | Elster AG, Meß- und Regeltechnik, 6700 Ludwigshafen | Device for inserting sensors into line systems |
| DE3428913A1 (en) | 1984-03-27 | 1985-10-03 | M.K. Juchheim GmbH & Co, 6400 Fulda | Measuring device for measuring the temperature in a pipeline |
| US4619139A (en) | 1984-07-23 | 1986-10-28 | Universal Flow Monitors, Inc. | Flow meter with displaceable flow rate indicator |
| DE3509718C2 (en) | 1985-03-18 | 1994-03-31 | Siegfried Boehnisch | Manifold valve with flow meter |
| DE8508222U1 (en) | 1985-03-19 | 1985-10-10 | Reich KG, Regel- und Sicherheitstechnik, 6340 Dillenburg | Flow meter for regulating a heat flow |
| JPS62103520A (en) * | 1985-10-31 | 1987-05-14 | Terumo Corp | Flowmeter |
| GB8527058D0 (en) | 1985-11-02 | 1985-12-04 | Rose Telford Ltd Edward | Gas supply assembly |
| DE3546354C2 (en) | 1985-12-30 | 1993-10-14 | Schleicher Leonhard | Sampling valve |
| DE3823449A1 (en) | 1988-07-11 | 1990-01-18 | Bosch Gmbh Robert | MEASURING DEVICE FOR DETECTING PRESSURE AND TEMPERATURE |
| DE4420246C1 (en) | 1994-06-10 | 1995-10-26 | Hoechst Ag | Sampler valve for use with gases |
| US5507190A (en) * | 1994-08-09 | 1996-04-16 | Cole-Parmer Instrument Company | Flowmeter with improved end stops |
| DE4445005C1 (en) | 1994-12-16 | 1996-05-23 | Reich Kg | Process and prefabricated parts for the production of pipe branches |
| GB9607492D0 (en) | 1995-06-28 | 1996-06-12 | Freeman James H | Apparatus for connecting in a pipe to give multiple choice flow fuctions |
-
1999
- 1999-03-26 DE DE29905655U patent/DE29905655U1/en not_active Expired - Lifetime
- 1999-04-26 CA CA002270098A patent/CA2270098A1/en not_active Abandoned
- 1999-04-26 US US09/299,488 patent/US6308582B1/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| DE29905655U1 (en) | 1999-08-05 |
| US6308582B1 (en) | 2001-10-30 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EEER | Examination request | ||
| FZDE | Discontinued |